How does smoking cause premature birth and low birth weights ?

How does smoking cause premature birth and low birth weights ?i need helo with my science homeworkk ! if possible please help me with these questions tooo :) x

how smoking causes heart disease
cancer
lung diseases such as bronchitis and emphysema
low birth weights and premature babies
it must also consider different ways to give up smoking
how does it work?
is it expensive?
is it an effective method?

lovess x

Chris
Although smoking has not been associated with the development of mesothelioma, the combination of smoking and asbestos exposure significantly increases a person's risk of developing pleural mesothelioma.

Know better? Leave your own answer in the comments! Smoking Cessation - Quit Smoking Today. Smoking Cessation helps smokers kick their nicotine addiction, providing tools, information and support for people quitting smoking.

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